=_Tables in rules._=--In tables inclosed in rules, where the first column consists of figures, do not use leaders. [This rule will not apply to date columns or to reading columns clearly requiring leaders.] Bear off matter one em from side rules.

=_Full point in leader lines._=--Use full point between abbreviation and reference mark in leader lines, as Boston, Mass.† ...

Manual of Style governing Composition and Proof Reading in the Government Printing Office — Part 20

=_Blanks for center heads._=--Use full blank line above and below all center heads in stubs or reading columns, excepting where leaders run back far enough to clear the head, in which case use only a line of en quads below.

Manual of Style governing Composition and Proof Reading in the Government Printing Office — Part 20

=_Plus and minus marks._=--Plus and minus marks in figure columns must be aligned when occurring at left of figures.

Manual of Style governing Composition and Proof Reading in the Government Printing Office — Part 20

=_Dates and figures in reading columns._=--Do not range dates or figures in first or reading columns unless figures are added up to make a total. This rule will apply also to leader work.

=_En-quadded tables._=--Use en quads in runovers [copy preparers will give instructions when change is desired]; scabbard will not be allowed; all box heads solid.

=_Reference marks._=--Set off all reference marks a 5-em space when preceding words or figures. Use superior figures (^1, ^2, ^3, etc.) for reference marks and footnotes in all cases, unless otherwise instructed. In a series of short footnotes range the reference marks, and also the first letter of the note.

=_Words in figure columns._=--Range all words occurring in figure columns one en from rule on right; also capitalize and use full point.

=_Indention from rules._=--An indention from a rule means so many ems in addition to the en quad used for bearing off.

=_Word “number.”_=--Spell the word “number,” referring to quantity or things, in box heads where possible. Where necessary to abbreviate or where used in connection with serial figures, use “No.”

=_Flush and sub heads._=--Use colons after flush heads and em dashes after heads subordinate thereto.

=_Units of quantity._=--Units of quantity to the right of reading columns and over figure columns will be spelled where possible. Where the space available demands a contraction, use the following forms: Dolls., galls., lbs., oz., bbls., cwt., yds., ft., in. (inches), doz., bush., M, sq. feet, M feet, cub. feet, kilo., kilos. Observe style of the following table: